Fig. 4.
The particle size of nanoparticles. (a) SPION. (b) SPION-DOPA-PEG. (c) SPION-DOPA-PEG-MUC1. (d) SPION-DOPA-PEG-DOX. (e) SPION-DOPA-PEG-DOX-MUC1. (f) Transmission electron microscopy image of SPION-DOPA-PEG-DOX.
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